export {};
const input = require("fs").readFileSync(0).toString().trim().split('\n');
const [N, S] = input[0].split(" ").map(Number);
const nums = input[1].split(" ").map(Number);

let [L, R] = [0,0];
let minLength = 100001;
let acc = 0;

while(true) {
    if(acc >= S) {
        minLength = Math.min(minLength, R-L);
        acc -= nums[L++];
    }
    else if(R === N) break;
    else acc += nums[R++];
}

console.log(minLength === 100001 ? 0 : minLength);